package service;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public interface TeacherService {

    public boolean isAdd(String username);

    public boolean add(HttpServletRequest request, HttpServletResponse response);

    public String initModify(HttpServletRequest request, HttpServletResponse response);

    public String modify(HttpServletRequest request, HttpServletResponse response);

    public void getTeachers(HttpServletRequest request, HttpServletResponse response);

    public void delete(HttpServletRequest request, HttpServletResponse response);
}
